This is the personId of the user. Can be a USER or GROUP. If ItemType=USER the personid of the user. If ItemType=GROUP the name of the usergroup. This is the unique identification of this parameter. This is the serialized value for the parameter. This is the datatype of this parameter. Can be STRING, DECIMAL, INTEGER, BOOLEAN, DATETIME, DATE, TIME, DURATION, IDENTIFIER or VIEW. Translatable description of the Parameter. Used in user presentations.